Sergio Quezada

Ingeniero senior. Apasionado de la tecnología y finanzas.

Duration: May-2022 – Up to now

Company: SEITT-M12

Job profile: System engineer

System engineer accountable to operate and maintain SEITT-M12 equipments in a 8x5 mode. Servers, switches, routers, firewalls, DBs administration, etc. Accountable for system evolution, design, vendor management, system validation. Beside this, to support to internal employees in any type of PC/laptop issue (Windows/office/printers/etc). Security patching. Software development: expand, maintain or create new web applications (PHP, VB classic, Powershell, postgress, SQL Server, etc).

Duration: Dec-2021 – May 2022

Company: Vodafone Spain

Job profile: Cloud NFVI & OSS Operation Manager + Security coordinator

Duration: Jan 2018 – Dec 2022

Company: Vodafone Spain

Job profile: Cloud NFVI Operation Manager

Cloud Manager in an 6-people team, operating in a 24x7 mode more than 3000 servers. This O&M team operate and provide support to private cloud systems where VF-Spain network systems where running.Project leading, people management. KPI's messurement and assurance looking for new improvements in both teams. Team motivation to achieve global company goals. Budget and vendor management.

Duration: Nov-2016 – Jan 2018

Company: Altran Spain (final customer Vodafone Global)

Job profile: Technical team leader

Technical Team Leader of support team in charge of several services: 

Private multitenant cloud environment (VMware VCloud, NSX, SDN-Nuage)

Storage systems (EMC Vplex, VMAX, Isilon, VIPR)

Backup and restore solution (EMC Networker Datadomain)

Other services over RedHat, Solaris Windows.

Activities as Team Leader: Group coordination, task prioritization, new projects coordination, support to business, recruitment, customer interface, follow-up meetings with customer and vendors. 

Technical activities: Incident manager, changes validation and integration of new solutions, service KPI definition.

Duration: May 2014 – Nov-2016 

Company: Altran, Spain (Vodafone Global)

Job profile: 2nd line O&M engineer – Storage and System Administrator

Engineer in Vodafone operation team. Responsibilities:

- In charge of network and services administration. 
- Incident detection and resolution. Acts as interface with third level support (vendor 

TAC). Coordinates vendor third level support with Vodafone first line support in 

incident resolution.
- Participates in network/services life process. As well as participates in change 

management documentation during platform life cycle.
- Participates in service/platform acceptance phase: Low level design documents, 

high level designs documents, acceptance testing sessions(ATP: Vendor 

Acceptance Testing phase before platform ready for service). 

Platforms / services administration:
- Unix administrator: Red Hat, Solaris, Oracle DB (11g, RAC, clusterware)

- SAN storage system (EMC, HP, Cisco): Clariion CX-240, VNX,VMAX, Vplex, SAN switches Cisco MDS. Storage migration from CX to VNX, arrays provisioning, zoning configuration.
- Backup and restore: EMC Networker, DataDomain 670, DD2500 servers. Bash, perl, expect scripting to configure platforms backups.

VMWare Cloud environment: Vsphere 5, Vcloud 5 (HP C7000, HP Proliant G380 )

 

Duration: January 2012 – May 2014 

Company: Altran, Spain (Vodafone Global)

Job profile: 2nd line System and Storage Administation

Engineer in Vodafone operation team. Responsibilities:

In charge of network and services administration.  Incident detection and resolution. Acts as interface with third level support (vendor TAC). Coordinates vendor third level support with Vodafone first line support in incident resolution. Participates in network/services life process. As well as participates in change management documentation during platform life cycle. Participates in service/platform acceptance phase: Low level design documents, high level designs documents, acceptance testing sessions(ATP: Vendor Acceptance Testing phase before platform ready for service). 

Platforms / services administration:
Cisco HCS solution: . Cisco unified computing system (ucs chassis) (VMWare VCenter data center). SAN storage system (EMC, Cisco): Clariion CX-240, VNX, Vplex, SAN switches Cisco MDS, Recovery Point. Backup and restore: EMC Networker, DataDomain Servers. Bash, perl, expect scripting to configure platforms backups. Unix system administration: Red Hat 5, solaris 10, Oracle DB (11g, RAC, clusterware). HP C7000 cloud environment. (VCloud, VCenter, ESXi) HP EVA administration

Duration: August 2010 – May 2011 - 

Company: RedIRIS Madrid, Spain

Job profile: Software Engineer

Development and deployment of a global monitoring and management system called perfSONAR, to administrate Spanish academic and research network RedIRIS fiber network. Software developed over perl, java, scripting languages like bash, Mysql DDBB, over RedHat/Centos OS. Alarm monitoring using Nagios and SNMP integration.

Duration: July - September 2008

Company: Tecsisa ,Madrid, Spain

Job profile: Software Engineer

Software engineer in a B2B platform project developed for Union Fenosa and ENEL. The project aim is to allow both companies to interact/purchase on electricity market. Application programmer on different technologies like Apache ServiceMix, J2EE, JavaScript, XML, SOAP, Oracle technologies. Test-driven development (TDD) approach . Unitary and global tests developed with Junit and Selenium. Design and definition of Oracle BBDD relational model (SQL / PLSQL).

Duration: 2000-2007

Company: Variuos

Job profile: Waiter, doorman

Several employees as waiter in wedding events, caterings, restaurants.

Different periods acting as doorman in private residential buildings. 

2005-2015: Electrical engineer at URJC University, Spain, Madrid

2005-2015: Computer Science at URJC University, Spain, Madrid.